18623840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 48009024

約数和(自身を除く): 29385184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 167, 170, 205, 272, 328, 334, 340, 410, 544, 656, 668, 680, 697, 820, 835, 1312, 1336, 1360, 1394, 1640, 1670, 2672, 2720, 2788, 2839, 3280, 3340, 3485, 5344, 5576, 5678, 6560, 6680, 6847, 6970, 11152, 11356, 13360, 13694, 13940, 14195, 22304, 22712, 26720, 27388, 27880, 28390, 34235, 45424, 54776, 55760, 56780, 68470, 90848, 109552, 111520, 113560, 116399, 136940, 219104, 227120, 232798, 273880, 454240, 465596, 547760, 581995, 931192, 1095520, 1163990, 1862384, 2327980, 3724768, 4655960, 9311920, 18623840]

約数ペア:

[(1, 18623840), (2, 9311920), (4, 4655960), (5, 3724768), (8, 2327980), (10, 1862384), (16, 1163990), (17, 1095520), (20, 931192), (32, 581995), (34, 547760), (40, 465596), (41, 454240), (68, 273880), (80, 232798), (82, 227120), (85, 219104), (136, 136940), (160, 116399), (164, 113560), (167, 111520), (170, 109552), (205, 90848), (272, 68470), (328, 56780), (334, 55760), (340, 54776), (410, 45424), (544, 34235), (656, 28390), (668, 27880), (680, 27388), (697, 26720), (820, 22712), (835, 22304), (1312, 14195), (1336, 13940), (1360, 13694), (1394, 13360), (1640, 11356), (1670, 11152), (2672, 6970), (2720, 6847), (2788, 6680), (2839, 6560), (3280, 5678), (3340, 5576), (3485, 5344)]